Fix includes of SkColorSpace

Required to land https://skia-review.googlesource.com/c/skia/+/526416

Change-Id: I7959b36c533f99334096a2bc467853a5aad92978
Bug: skia:13052
diff --git a/libs/hwui/renderthread/IRenderPipeline.h b/libs/hwui/renderthread/IRenderPipeline.h
index aceb5a5..0238889 100644
--- a/libs/hwui/renderthread/IRenderPipeline.h
+++ b/libs/hwui/renderthread/IRenderPipeline.h
@@ -24,6 +24,7 @@
 #include "hwui/Bitmap.h"
 #include "ColorMode.h"
 
+#include <SkColorSpace.h>
 #include <SkRect.h>
 #include <utils/RefBase.h>